2. Navigate to the folder C:\Program Files\Symantec\Symantec Endpoint Protection Manager\Inetpub\content\ and then from each of the folders present under the CONTENT folder, go in and delete ALL the sub-folders with names in DIGITS.

3. At the END of the file C:\Program Files\Symantec\Symantec Endpoint Protection Manager\tomcat\etc\conf.properties add:scm.lucontentcleanup.threshold=x (preferably between 1 to 5, since 10 is the default value).